Alright, let's work through 52012736 times 78108447 step by step
52012736 × 78108447 = 78108447 × (52012736)
+ 78108447 × 6 what gives us 468650682
+ 78108447 × 30 that is equal 2343253410
+ 78108447 × 700 which equals 54675912900
+ 78108447 × 2000 that is equal 156216894000
+ 78108447 × 10000 which equals 781084470000
+ 78108447 × 000000 giving us 0
+ 78108447 × 2000000 yielding 156216894000000
+ 78108447 × 50000000 giving us 3905422350000000

= 4062634033180992
